import requests
from lxml import etree

url = 'http://www.xinfadi.com.cn/getPriceData.html'
heardes = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0'}
data = {
    'limit': "20",
    'current': "1",
    'pubDateStartTime': "",
    'pubDateEndTime': "",
    'prodPcatid': "1187",
    'prodCatid': "",
    'prodName': "",
}
resp = requests.post(url, params=heardes, data=data)
print(resp.json())
